I also have a 773G. It has the push button to relieve the pressure. When you press it in and hold it for about 3-4 seconds it shuts the engine down. At least 90% of the time they will then hook up even if have been sitting and got hot. If there is pressure I can get at least one side coupled and then press the button again and the other side will couple up. I have had this unit almost 15 yrs and switch attachments quite often. Have never had to bleed it yet. But the first time may be coming. Lee
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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